After removing the vacuum hose from the fuel-pressure regulator, you see gasoline has dripped out of the hose. Technician A says that the fuel pressure regulator is defective. Technician B says that one or more of the injectors muy be defective, causing the fuel to get into the hose. Who is correct
A. Technician B
B. Neither Technician A nor B
C. Technician A
D. Both Technicians A and B

What precautions should you take to prevent injuries when dealing with heavy loads?

Apump is used to circulate hot water in a home heating system. water enters the well-insulated pump operating at steady state at a rate of 0.42 gal/min. the inlet pressure and temperature are 14.7 lbf/in.2, and 180°f, respectively; at the exit the pressure is 60 lbf/in.2 the pump requires 1/15 hp of power input. water can be modeled as an incompressible substance with constant density of 60.58 lb/ft3 and constant specific heat of 1 btu/lb or. neglecting kinetic and potential energy effects, determine the temperature change, in °r, as the water flows through the pump.

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